通过管中心和其它管线的速度变化趋势，以及圆管径向的速度分布，描述了流场的整体流动特性，揭示了非牛顿流体管道流的速度过冲和振荡现象。
They can easy show the behaviors of the flow in the whole cube, reveal the phenomenon of locity overshooting and damping oscillation of the flow.
最后，科学家测量了由于行星的引力拖拉而产生的恒星摆动，这就是径向速度。
Finally, scientists measure the star's wobble due to the planet's gravitational tug, known as the radial velocity.
这个行星宝库是在仪器HARPS(高精度径向速度行星搜索器)的帮助下发现的，这个仪器安放在位于智利的欧洲南方天文台的拉西拉设施里。
The planetary treasure trove was found using an instrument called harps-short for High Accuracy Radial Velocity planet searcher-at the European Southern Observatory's la Silla facility in Chile.
径向速度是一项搜寻行星技术，可以通过寻找恒星光线的摆动。
Radial velocity is a planet-hunting technique that looks for wobbles in a star's light, which can indicate the gravitational tugs of orbiting worlds.
但是，近年来天文学家通过径向速度法去发现或证实大量小到只有几倍的地球质量的行星。
But in recent years astronomers have used radial velocity to find or confirm a number of planets down to a few times Earth's mass.
新的行星是靠测量“径向速度”，或者恒星在周围行星的万有引力下摇摆的速度检测出来的。
The new planets were detected by measuring "radial velocity," or how fast a star wobbles depending on the gravitational pull from nearby planets.
径向速度法，也被称为多普勒摆动技术，用于搜索恒星光线的摆动，它显示出来自轨道上运行的行星的万有引力。
Radial velocity, also known as the Doppler wobble technique, involves searching for wobbles in a star's light that indicate the gravitational pull of an orbiting planet.
这一行星寻找领域内的常见手段叫做径向速度法，需要极度精确的数据测量才能检测到行星对附近恒星的引力作用。
This common method in the planet-hunting world, called radial velocity, requires extremely precise measurements to detect a planet's gravitational pull on a nearby star.
但测量行星的质量，天文学家通常还需要使用地球上最大的天文望远镜，来测算径向速度的耗时。
But to get the planet's mass, astronomers normally need to follow up with time-consuming radial velocity observations at some of the planet's biggest telescopes.
径向速度法，即观察某颗行星环绕恒星的轨道所引起的恒星相对地球来往的速度变化。
The radial velocity method, which looks for changes in a star's velocity toward or away from Earth triggered by a planet's orbit around that star.
将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
行星越重，就越容易通过径向速度法侦测（本质上是行星引力对恒星的扰动）。
The more massive a planet, the easier it is to detect using radial velocity measurements (essentially the star's wobble as a planet's gravity tugs it).
在涡流磁场和他们所产生的是成正比的磁盘径向速度(或带线速度)。
The eddy currents and the magnetic fields that they generate are proportional to the radial velocity of the disk (or the linear velocity of the strip).
本文提出了利用平均径向速度分析压力梯度的方法。
The method to analyze the pressure gradient with mean radial velocity is used.
研究了管道中近壁区颗粒的轴向速度、湍流强度和径向速度。
The axial velocity, fluctuation velocity, the turbulence intensity, and transverse velocity of the fine particle were studied.
研究了在脉间变频格式目标雷达散射截面(RCS)测试中目标径向速度对测试结果的影响。
Object's radial velocity effect on object's radar cross section (RCS) outdoor measurement with pulse to pulse frequency shifting radar was researched.
由于假设水具有不同的状态，求解得出了气泡半径及径向速度随时间变化的规律。
The results reveal different rules about bubble radius versus time and radial speed versus time because of different hypothesis in water state.
提出了在三维空间中引入径向速度的非线性卡尔曼滤波算法。
Based on three-dimensional space, a new method for the nonlinear Kalman filter using the radial velocity is presented.
步进频率雷达中，目标的径向运动将导致合成的目标径向一维距离像产生距离徙动和波形失真，需要对目标速度进行估计以补偿其影响。
In stepped frequency radar, the velocity of targets must be estimated and compensated to eliminate the range migration and distortion due to target moving.
为了加快匹配搜索的速度，采用查找表的方式构建径向模式库。
In order to speed up the search process, a radial mode database is constructed through table lookup.
挤出物的直径(径向变量)只受到糖分的影响，而不受盐分或螺杆速度的影响。
The extrudate diameters (radial expansion) were affected only by the sugar content, not by the salt content or screw speed.
同时对不同的径向和轴向进给速度对径轴双向复合轧制过程中轧制力，直径增长速率及温度分布的影响进行了系统分析，并进行了相应的实验验证。
Influences of different radial and axial feeding speed on the radial and axial rolling force, growth rate of diameter and temperature have been systematically analyzed and proved by trials.
相同条件下，轴向混合速度是径向混合速度的3.5倍。
Under the same condition, the axial mixing rate is 3.5 times of the lateral.
首先，本文概述了一些典型流场、天气系统的PPI多普勒径向速度模式。
First, the characteristics of Doppler velocity PPI for some typical streamline field and synoptic system were summarized.
结果表明液相轴向和径向时均速度分别随着轴向和径向位置变化体现出特定的规律。
It indicates that axial and radial mean velocities along the directions of axis and radius exhibite characteristic distribution trends, respectively.
综合分析龙卷涡旋特征(TVS)、中气旋(m)和径向速度场上的速度对是识别龙卷回波的有效方法。
Comprehensive analysis on the characteristics of tornado Vortex (TVS), mesocyclone (m) and radial velocity Pairs are effective ways to identify tornado echoes.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
无论是轴向、径向固含率还是固体颗粒的径向速度都是随时间波动的。
Axial and radial holdups of solid particles and radial velocity of solid particles are all fluctuating with time.
分析了车削非圆柱体径向进给运动的振动特性、速度特性、加速度特性。
The article analyses radial advancing motion's characters in the non-cylinder turning of vibration, speed and acceleration.
分析了车削非圆柱体径向进给运动的振动特性、速度特性、加速度特性。
The article analyses radial advancing motion's characters in the non-cylinder turning of vibration, speed and acceleration.
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